GPU Comparison

A

AMD

RADEON

AMD Radeon RX 550

CORE STATE Lexa

VRAM 2 GB

CLOCK SPEED 1183 MHz

TDP 50 W

BUS WIDTH 128 bit

ARCHITECTURE GCN 4.0

nm

PROCESS 14 nm

LAUNCH DATE 2017

VS

A

AMD

RADEON

Radeon RX 7900 XTX

CORE STATE Navi 31

VRAM 24 GB

CLOCK SPEED 2498 MHz

TDP 355 W

BUS WIDTH 384 bit

ARCHITECTURE RDNA 3.0

nm

PROCESS 5 nm

LAUNCH DATE 2022

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

127

6,841

geekbench_metal

19,937

N/A

geekbench_opencl

4,575

189,573

geekbench_vulkan

8,657

192,597

passmark_directx_10

N/A

166

passmark_directx_11

N/A

356

passmark_directx_12

N/A

131

passmark_directx_9

N/A

330

passmark_g2d

N/A

1,267

passmark_g3d

N/A

31,238

passmark_gpu_compute

N/A

17,689

DETAILED SPECIFICATIONS

SPECIFICATION

RX 550

RX 7900 XTX

Core Specs

Shading Units

512

6,144 +1100.0%

Shaders

512

6,144 +1100.0%

TMUs

32

384 +1100.0%

ROPs

16

192 +1100.0%

Compute Units

8

96 +1100.0%

Clocks

Base Clock

1100 MHz

1929 MHz

Boost Clock

1183 MHz

2498 MHz

Game Clock

—

2365 MHz

Shader Clock

—

2269 MHz

Memory Clock

1750 MHz 7 Gbps effective

2500 MHz 20 Gbps effective

Memory

Memory Size

2 GB

24 GB

VRAM (MB)

2,048

24,576 +1100.0%

Memory Type

GDDR5

GDDR6

Memory Bus

128 bit

384 bit

Bandwidth

112.0 GB/s

960.0 GB/s

Cache

L1 Cache

16 KB (per CU)

256 KB per Array

L2 Cache

512 KB

6 MB

L3 Cache

—

96 MB

L0 Cache

—

64 KB per WGP

Performance

Pixel Rate

18.93 GPixel/s

479.6 GPixel/s

Texture Rate

37.86 GTexel/s

959.2 GTexel/s

FP32 (TFLOPS)

1,211.4 GFLOPS

61.39 TFLOPS

FP64 (TFLOPS)

75.71 GFLOPS (1:16)

1.918 TFLOPS (1:32)

FP16 (TFLOPS)

1,211.4 GFLOPS (1:1)

122.8 TFLOPS (2:1)

AI/RT

RT Cores

—

96

Matrix Cores

—

192

Power

TDP

50 W

355 W

TDP (W)

50

355 +610.0%

Suggested PSU

250 W

750 W

Power Connectors

None

2x 8-pin

Architecture

Architecture

GCN 4.0

RDNA 3.0

GPU Name

Lexa

Navi 31

Codename

—

Plum Bonito

Generation

Polaris (RX 500)

Navi III (RX 7000)

Process Size

14 nm

5 nm

Transistors

2,200 million

57,700 million

Die Size

103 mm²

529 mm²

Foundry

GlobalFoundries

TSMC

Density

21.4M / mm²

109.1M / mm²

AMD MCM

GCD Transistors

—

45,400 million

GCD Die Size

—

304.35 mm²

MCD Transistors

—

2,050 million x6

API Support

DirectX

12 (12_0)

12 Ultimate (12_2)

OpenGL

4.6

4.6

Vulkan

1.3

1.4

OpenCL

2.1

2.2

Shader Model

6.7

6.8

Physical

Slot Width

Dual-slot

Dual-slot

Length

145 mm 5.7 inches

287 mm 11.3 inches

Height

—

110 mm 4.3 inches

Outputs

1x DVI1x HDMI 2.0b1x DisplayPort 1.4a

1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C

Bus Interface

PCIe 3.0 x8

PCIe 4.0 x16

Other

Launch Price

79 USD

999 USD

Production

End-of-life

End-of-life

Predecessor

Arctic Islands

Navi II

Successor

Vega

Navi IV

View Radeon RX 550 Details View Radeon RX 7900 XTX Details